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Scales Ahoy! Pro

Official Description

Scales Ahoy! (free)
- super simple to use
- recognize scales (major and minor) from notes
- visualize scales on piano keyboard
- touch screen piano (one octave) with multi-touch support
- note sequence playback for ear training

Scales Ahoy! Pro
- ALL FEATURES OF THE FREE VERSION
+ simultaneous note ("chord") playback for ear training
+ guitar sound option
+ major pentatonic scales
+ minor pentatonic scales
+ harmonic minor scales
+ melodic minor scales
(+ free feature updates, based on user feedback)